Zafirlukast
[CAS# 107753-78-6]

Identification

• Classification: API >> Antiallergic >> Allergic reaction medium blocker
• Name: Zafirlukast
• Synonyms: Cyclopentyl N-[3-{[2-methoxy-4-[(2-methylphenyl) sulfonylcarbamoyl]phenyl]methyl}-1-methyl-indol-5-yl]carbamate; Cyclopentyl [3-[[2-methoxy-4-[(2-methylphenyl)sulfonylcarbamoyl]phenyl]methyl]-1-methyl-indol-5-yl]aminoformate
• Molecular Formula: C₃₁H₃₃N₃O₆S
• Molecular Weight: 575.68
• CAS Registry Number: 107753-78-6
• EC Number: 663-705-8

Properties

• Melting point: 139 ºC

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	4	H413
Reproductive toxicity	Lact.	-	H362
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411